455646 has 8 divisors (see below), whose sum is σ = 911304. Its totient is φ = 151880.

The previous prime is 455627. The next prime is 455647. The reversal of 455646 is 646554.

It is a sphenic number, since it is the product of 3 distinct primes.

455646 is an admirable number.

It is a super-2 number, since 2×455646² = 415226554632, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 455646.

It is not an unprimeable number, because it can be changed into a prime (455647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37965 + ... + 37976.

It is an arithmetic number, because the mean of its divisors is an integer number (113913).

2⁴⁵⁵⁶⁴⁶ is an apocalyptic number.

455646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

455646 is a wasteful number, since it uses less digits than its factorization.

455646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75946.

The product of its digits is 14400, while the sum is 30.

The square root of 455646 is about 675.0155553763. The cubic root of 455646 is about 76.9500997879.

The spelling of 455646 in words is "four hundred fifty-five thousand, six hundred forty-six".